Hi Team, I need help from this community. I am networking engineer and would like to use network simulator application. Is there a way to create additional loopback adapters in mac os other than that lo0 ?
iPhone 14 Pro, iOS 26
Yes — you can create additional loopback-style interfaces on macOS, but not by duplicating lo0 the way you would on Linux or Windows.
macOS does not allow multiple true “loopback” (loX) devices, but it does fully support virtual interfaces that behave like loopbacks for simulators and routing labs.
Hi azak, Thanks for your reply. Would you mind me giving more info on what type of loopback- style interfaces i can create in mac Os ?
I think you can use IP address 127.0.0.0
I think you can use some variation of localhost:
Creating additional loopback adapters in macOS
